Dannielynn Birkhead, the 6-year-old daughter of Larry Birkhead and the late Anna Nicole Smith, dressed as Mary Poppins for the Kentucky Derby.

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"Thanks Frankie Rodriguez for making the great outfits. Dannielynn wanted to come as this," Birkhead tweeted, along with a photo of his daughter dressed as the iconic character and carrying a parasol, UsMagazine.com reported.